What Does Master Data Mean?
Master data refers to data units that are non-transactional, top level and relational business entities or elements that are joinable in observable ways. An organization may use master data on more than one platform or across a variety of software programs or technologies.
Techopedia Explains Master Data
A clear description of master data includes customer data items, like IDs. This data type is considered master data, versus quantitative data related to a single transaction, customer ID or other data (such as addresses and phone numbers), which are continuously used by a business to analyze customer behavior, establish contacts or drive high-level research.